Features：100% brand new and high quality.Durable and flexible.Environmental and odor free .The all-silicone construction seals the bottle air-tight and removes painlessly.Can use for Microwave， oven， freezer， and dishwasher.Good for temperatures from -40 to 446 degrees Fahrenheit.Made by FDA Approved Food Grade Silicone.Applicable to beer， rice wine， coke bottle， etc.Material: siliconeSize: 2.5x3.5x2.5cm(L x top W x low W)， 2.3cm(insert)Color:Blue， Coffee， Red， Green(Send Randomly)Packing Included:1 x Silicone Wine StoppersPackaging DetailsUnit Type:piecePackage Weight:0.018kg (0.04lb.)Package Size:5cm x 5cm x 5cm (1.97in x 1.97in x 1.97in)